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2014/10/15 ¤U¤È 10:10:05
iphone Programming Glossary: holdHow would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone override the drawRect method. Your class needs a UIColor property let's call it overlayColor to hold the blend color and a custom setter that forces a redraw when the color changes. Something like this..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults around and I realize my problem but I don't know how to fix it. I have made a custom class to hold some data. I make objects for this class and I need to them to last between sessions. Before I was putting..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application documents attached to emails or from other applications on the system. In Mail you can tap and hold to bring up a list of applications that can open a particular attachment. When the attachment is opened..
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content another line of text Goodbye world Is there a good way in Cocoa Touch to get the rect that will hold all of the lines in the text view so that I can adjust the parent view accordingly As another example.. for events in the Calendar application note how the cell and the UITextView it contains expands to hold all lines of text in the notes string. iphone cocoa touch uikit share improve this question There..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop be. The attached image shows what I am trying to achieve. Would someone please be kind enough to hold my hand Every code example I have found so far seems to smash the image be upside down look like crap..
iPhone: How to load a View using a nib file created with Interface Builder http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder UIViewController that you want to load and handle the nib create an IBOutlet property that will hold the loaded nib's view for instance in MyViewController a UIViewController subclass @property nonatomic..
Get Exif data from UIImage - UIImagePickerController http://stackoverflow.com/questions/9766394/get-exif-data-from-uiimage-uiimagepickercontroller asset ALAssetRepresentation image_representation asset defaultRepresentation create a buffer to hold image data uint8_t buffer Byte malloc image_representation.size NSUInteger length image_representation..
How would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone this question First you'll want to subclass UIImageView and override the drawRect method. Your class needs a UIColor property let's call it overlayColor to hold the blend color and a custom setter that forces a redraw when the color changes. Something like this void setOverlayColor UIColor newColor if overlayColor overlayColor..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults in NSUserDefaults Alright so I've been doing some poking around and I realize my problem but I don't know how to fix it. I have made a custom class to hold some data. I make objects for this class and I need to them to last between sessions. Before I was putting all my information in NSUserDefaults but this isn't working...
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application . With this in place your application will be able to handle documents attached to emails or from other applications on the system. In Mail you can tap and hold to bring up a list of applications that can open a particular attachment. When the attachment is opened your application will be started and you will need to handle..
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content that contains one line of text Hello world I then add another line of text Goodbye world Is there a good way in Cocoa Touch to get the rect that will hold all of the lines in the text view so that I can adjust the parent view accordingly As another example look at the Notes field for events in the Calendar application.. view accordingly As another example look at the Notes field for events in the Calendar application note how the cell and the UITextView it contains expands to hold all lines of text in the notes string. iphone cocoa touch uikit share improve this question There is actually a very easy way to do resizing of the UITextView..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop shocked at how difficult the other two steps have proved to be. The attached image shows what I am trying to achieve. Would someone please be kind enough to hold my hand Every code example I have found so far seems to smash the image be upside down look like crap draw out of bounds or otherwise just not work correctly. Thank..
iPhone: How to load a View using a nib file created with Interface Builder http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder outlets that you want to have access to later. MyView 2 in the UIViewController that you want to load and handle the nib create an IBOutlet property that will hold the loaded nib's view for instance in MyViewController a UIViewController subclass @property nonatomic retain IBOutlet UIView myViewFromNib dont forget to synthesize..
Get Exif data from UIImage - UIImagePickerController http://stackoverflow.com/questions/9766394/get-exif-data-from-uiimage-uiimagepickercontroller UIImagePickerControllerReferenceURL resultBlock ^ ALAsset asset ALAssetRepresentation image_representation asset defaultRepresentation create a buffer to hold image data uint8_t buffer Byte malloc image_representation.size NSUInteger length image_representation getBytes buffer fromOffset 0.0 length image_representation.size..
How would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone UIImageView and override the drawRect method. Your class needs a UIColor property let's call it overlayColor to hold the blend color and a custom setter that forces a redraw when the color changes. Something like this void setOverlayColor..
how to remove subviews from scrollview? http://stackoverflow.com/questions/1310723/how-to-remove-subviews-from-scrollview can send them removeFromSuperview messages later in the same manner Retain all your views where you create them and hold on to pointers to those views so you can send them removeFromSuperview individually as necessary Add an if statement to..
How to use the first character as a section name http://stackoverflow.com/questions/1741093/how-to-use-the-first-character-as-a-section-name first letter of each result manually and create my sections like that Is it better to put in a new property to just hold the first letter and use that as the sectionNameKeyPath NSFetchedResultsController aFetchedResultsController NSFetchedResultsController..
How to search MKMapView with UISearchBar? http://stackoverflow.com/questions/2281798/how-to-search-mkmapview-with-uisearchbar
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults been doing some poking around and I realize my problem but I don't know how to fix it. I have made a custom class to hold some data. I make objects for this class and I need to them to last between sessions. Before I was putting all my information..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application will be able to handle documents attached to emails or from other applications on the system. In Mail you can tap and hold to bring up a list of applications that can open a particular attachment. When the attachment is opened your application..
Can I write native iPhone apps using Python http://stackoverflow.com/questions/43315/can-i-write-native-iphone-apps-using-python SDK are C C and Objective C. There is no technical reason why this could not change in the future but I wouldn't hold your breath for this happening in the short term. That said Objective C really isn't that scary... share improve this answer..
NSMutableString as retain/copy http://stackoverflow.com/questions/4995254/nsmutablestring-as-retain-copy problems at this point the default setter requires that the client makes a mutableCopy of the string if they only hold an immutable string. that is immediately turned into a unique copy by you in the setter since you can't expect the client..
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content Hello world I then add another line of text Goodbye world Is there a good way in Cocoa Touch to get the rect that will hold all of the lines in the text view so that I can adjust the parent view accordingly As another example look at the Notes.. at the Notes field for events in the Calendar application note how the cell and the UITextView it contains expands to hold all lines of text in the notes string. iphone cocoa touch uikit share improve this question There is actually a very..
Am I abusing UIViewController Subclassing? http://stackoverflow.com/questions/5691226/am-i-abusing-uiviewcontroller-subclassing to figure out why viewWillAppear wasn't being called in my app I came across what may be a gross misunderstanding I hold about the intended use of UIViewController subclasses. According to the following post viewWillAppear does not run when..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop steps have proved to be. The attached image shows what I am trying to achieve. Would someone please be kind enough to hold my hand Every code example I have found so far seems to smash the image be upside down look like crap draw out of bounds..
What is the maximum length of an NSString object? http://stackoverflow.com/questions/6482641/what-is-the-maximum-length-of-an-nsstring-object Since all devices currently capable of running iOS are 32 bit this means NSUIntegerMax is 2^32 1 and NSString can hold a little over 4.2 billion characters. As others have pointed out though the practical limit is much smaller on an iOS device..
Save An Image To Application Documents Folder From UIView On IOS http://stackoverflow.com/questions/6821517/save-an-image-to-application-documents-folder-from-uiview-on-ios An Image To Application Documents Folder From UIView On IOS I have a UIImageView that allows a user to place and hold an image until it can be saved. The problem is I can't figure out how to actually save and retrieve the image I've placed..
UIScrollView : paging horizontally, scrolling vertically? http://stackoverflow.com/questions/728014/uiscrollview-paging-horizontally-scrolling-vertically to begin UIScrollView calls touchesCancelled on the inner view and starts scrolling. Note how when you touch a table hold your finger a bit and then start scrolling the row that you touched is highlighted first but de highlighted afterwards... vertical scrolling inside a nested scroll view is unusable. It appears that you have got exactly this setup so try it hold a finger for 150ms and then move it in vertical direction nested UIScrollView works as expected then This means you cannot.. @end RemorsefulScrollView.m the numbers from an example in Apple docs may need to tune them #define kThresholdX 12.0f #define kThresholdY 4.0f @implementation RemorsefulScrollView id initWithFrame CGRect frame if self super initWithFrame..
iPhone: How to load a View using a nib file created with Interface Builder http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder later. MyView 2 in the UIViewController that you want to load and handle the nib create an IBOutlet property that will hold the loaded nib's view for instance in MyViewController a UIViewController subclass @property nonatomic retain IBOutlet UIView..
Get Exif data from UIImage - UIImagePickerController http://stackoverflow.com/questions/9766394/get-exif-data-from-uiimage-uiimagepickercontroller resultBlock ^ ALAsset asset ALAssetRepresentation image_representation asset defaultRepresentation create a buffer to hold image data uint8_t buffer Byte malloc image_representation.size NSUInteger length image_representation getBytes buffer fromOffset..
Setting the active executable in Xcode http://stackoverflow.com/questions/2332214/setting-the-active-executable-in-xcode
Learn Obj-C Memory Management [duplicate] http://stackoverflow.com/questions/370427/learn-obj-c-memory-management On top of the official Apple resources listed in the post arul linked to here are some other good reads on the topic Hold me use me free me CocoaDev.com 's Memory Management Section And for help debugging memory management problems NSZombieEnabled..
Action Trigger when I hold UIButton for 2 second in iPhone http://stackoverflow.com/questions/4815296/action-trigger-when-i-hold-uibutton-for-2-second-in-iphone in my application and an action which is triggered when I TouchDown UIButton . Is it possible to detect a Touch and Hold on the UIButton on the iPhone I want my action to trigger when the user holds the button for 2 seconds or more. Any Ideas..
Point in Tilt Direction - iPhone http://stackoverflow.com/questions/5128861/point-in-tilt-direction-iphone share improve this question If you don't like the above here's a simpler way to get a reasonable result Hold the iPad in front of you let LR be the left right tilt TA the towards you away from you tilt. So LR runs from 90 to 90 TA..
Only one UITableViewCellAccessoryCheckmark allowed at a time http://stackoverflow.com/questions/5677218/only-one-uitableviewcellaccessorycheckmark-allowed-at-a-time cell UITableViewCell alloc initWithFrame CGRectZero reuseIdentifier TheOtherOne autorelease cell.textLabel.text @ Hold to record fail sound UIButton btn UIButton buttonWithType UIButtonTypeRoundedRect btn.frame CGRectMake 230.0f 4.0f 60.0f..
core data application is Crashing in iphone device http://stackoverflow.com/questions/6706505/core-data-application-is-crashing-in-iphone-device CityViewController viewDidLoad CityViewController.m 43 iphone xcode core data share improve this question Hold down the option key go to Product menu Xcode 4 and do Clean Build Folder ... then let off the option key and do Clean .....
Objective-C: Asynchronously populate UITableView - how to do this? http://stackoverflow.com/questions/7491517/objective-c-asynchronously-populate-uitableview-how-to-do-this initWithURLRequest request andDelegate self NSOperationQueue mainQueue addOperation op self setDownloadOperation op Hold onto a reference in case we want to cancel it op release op nil Now when the view appears an async call will go and download..
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